CN205607856U - Transparent medium refracting index detection device - Google Patents
Transparent medium refracting index detection device Download PDFInfo
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- CN205607856U CN205607856U CN201620416508.4U CN201620416508U CN205607856U CN 205607856 U CN205607856 U CN 205607856U CN 201620416508 U CN201620416508 U CN 201620416508U CN 205607856 U CN205607856 U CN 205607856U
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- transparent medium
- collimator
- detection device
- refractive index
- spectroscope
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Abstract
The utility model discloses a transparent medium refracting index detection device, including source of illumination, the light beam that source of illumination sent loops through the condensing lens the printing opacity slit reaches get into behind the spectroscope the collimator, the parallel light that the collimator front end jetted out passes through the detection bearing reaches the transparent medium, the process detect the light beam to re -enter the after the bearing reflection the collimator, collimator received light beam passes through after the spectroscope beam split form images on the graticule, formation of image on the graticule is passed through the secondary imaging of formation of image mechanism is in on the CCD camera, CCD camera received image passes through the display shows in real time. Compared with the prior art, the utility model discloses simple structure, reasonable in design, the test result reads the convenience, improves measuring accuracy and efficiency of software testing effectively, satisfies on -the -spot real -time on -line measuring's requirement.
Description
Technical field
This utility model relates to photoelectricity test Instrument technology field, is specifically related to a kind of refractive index of transparent medium detection device.
Background technology
In the production and processing of optical element, for meeting the performance requirement of part, the refractive index of material must be limited in certain margin of tolerance, or according to the real data of refractive index, material is carried out stepping process, the most only the refractive index of optical material is accurately measured, optical material could be made suitable process.Within 2011, Changchun University of Science and Technology develops a kind of intelligent V Refractive Index of Glass Prism tester, and it is disadvantageous in that: V prism placement location, after drive mechanism, picks and places workpiece inconvenient, affects detection efficiency；The reading of measurement data is undertaken in two steps, and is read the angle of deflection of light by eyepiece by human eye, and observing time one is long, and human eye is the most tired, produces collimating fault；The angular values read also to obtain the real data of refractive index by inquiry angle and refractive index synopsis, some data differential technique to be passed through computation of table lookup, whole process is comparatively laborious, takes a lot of work, time-consuming, detection efficiency is the highest, it is impossible to meet the requirement of on-the-spot high-volume on-line checking.
Utility model content
For solving drawbacks described above, the purpose of this utility model is to provide a kind of refractive index of transparent medium detection device, and detection efficiency is higher, can directly be observed Refractive Index of Material by display and be carried out stepping, meets the use requirement of on-the-spot real-time online detection.
nullFor reaching above-mentioned purpose，This utility model adopts the technical scheme that: a kind of refractive index of transparent medium detection device，Including lighting source、Condenser lens、Transmissive slit、Spectroscope、Collimator、Detection bearing、Graticle、Imaging mechanism、Ccd video camera and the display being connected with described ccd video camera，Transparent medium is placed in described detection bearing，The light beam that described lighting source sends passes sequentially through described condenser lens、Described collimator is entered after described transmissive slit and described spectroscope，The directional light of described collimator front end injection is by described detection bearing and described transparent medium，Light beam after described detection bearing reflects is again introduced into described collimator，The light beam that described collimator receives is by imaging on described graticle after described spectroscope light splitting，Imaging on described graticle by described imaging mechanism secondary imaging on described ccd video camera，The image that described ccd video camera receives is shown in real time by described display.
Preferably, described lighting source uses sodium vapor lamp, or hydrogen lamp, or helium lamp, or cadmium lamp.
Described transmissive slit uses overall blacking and center to offer the glass plate of cross light penetrating slit or foil is made.
Described spectroscope uses to be equipped with quarter wave plate and be coated with the PBS prism of polarizing coating and makes.
Described detection bearing uses the prism of Intermediate Gray V-groove structure to make, and described prism one side is coated with reflective membrane.
Described graticle is provided with p-wire.
This utility model is in use, the light beam that lighting source sends, after the gathering of condenser lens, illuminate transmissive slit, after spectroscope transmission, collimator is entered by the light portion of transmissive slit, directional light from the outgoing of collimator front end, by detection bearing and transparent medium, the light that detection bearing reflects is again introduced into collimator, again after spectroscope light splitting, the image formation by rays of reflection is on graticle, and the imaging the most imaged mechanism secondary imaging on graticle, on ccd video camera, shows in real time finally by display.
The beneficial effects of the utility model are: the lighting source being provided with can launch monochromatic light or the approximate monochromatic light of the required wavelength of detection, provides light source for detection；The light beam that lighting source is sent by the condenser lens being provided with gathers in transmissive slit, improves the capacity usage ratio of lighting source；The transmissive slit being provided with is to provide a cross p-wire for detection；The light passed through can be divided into two bundles by the spectroscope being provided with, and creates conditions for detection；It is provided with collimator and can not only will become directional light by the light of transmissive slit, and the photoimaging that can also detection bearing be reflected is on graticle；The p-wire that described graticle is provided with, for reading or compare the refractive index of transparent medium.
Compared with prior art, this utility model simple in construction, reasonable in design, test result reads convenient, is effectively improved measuring accuracy and testing efficiency, meets the requirement of on-the-spot real-time online detection.
Accompanying drawing explanation
Below according to drawings and Examples, structure and features of the present utility model is described further.
Fig. 1 is structural representation of the present utility model.
In accompanying drawing 1,1. lighting source, 2. condenser lens, 3. transmissive slit, 4. spectroscope, 5. collimator, 6. detection bearing, 7. transparent medium, 8. graticle, 9. imaging mechanism, 10.CCD video camera, 11. display.
Detailed description of the invention
nullReferring to accompanying drawing 1，A kind of refractive index of transparent medium detection device，Including lighting source 1、Condenser lens 2、Transmissive slit 3、Spectroscope 4、Collimator 5、Detection bearing 6、Graticle 8、Imaging mechanism 9、Ccd video camera 10 and the display 11 being connected with described ccd video camera 10，Transparent medium 7 is placed in described detection bearing 6，And described transparent medium 7 side is with right angle，The light beam that described lighting source 1 sends passes sequentially through described condenser lens 2、Described collimator 5 is entered after described transmissive slit 3 and described spectroscope 4，The directional light of described collimator 5 front end injection is by described detection bearing 6 and described transparent medium 7，Light beam after described detection bearing 6 reflects is again introduced into described collimator 5，The light beam that described collimator 5 receives is by imaging on described graticle 8 after the light splitting of described spectroscope 4，Imaging on described graticle 8 by the secondary imaging of described imaging mechanism 9 on described ccd video camera 10，The image that described ccd video camera 10 receives is shown in real time by described display 11.
Preferably, described lighting source 1 uses sodium vapor lamp, or hydrogen lamp, or helium lamp, or cadmium lamp, can launch monochromatic light or the approximate monochromatic light of the required wavelength of detection, provide light source for detection.Lighting source 1 can be replaced according to the difference of required wavelength, in case the refractive index of detection different wave length.
Described transmissive slit 3 uses overall blacking and center to offer the glass plate of cross light penetrating slit or foil is made, and is to provide a cross p-wire for detection.
Described spectroscope 4 uses to be equipped with quarter wave plate and be coated with the PBS prism of polarizing coating and makes, may be used without spectroscope or the Amici prism of monolithic, use PBS cemented prism to add quarter wave plate and capacity usage ratio can be improved about 10%, may be used without the glass of monolithic plating spectro-film, it is also possible to use the cemented prism being coated with spectro-film.
Described detection bearing 6 uses the prism of Intermediate Gray V-groove structure to make, described prism one side is coated with reflective membrane, and middle V-groove can be open type, for detecting the refractive index of solid dielectric, can also be closed at both ends formula, for detecting the refractive index of liquid medium.
Described transparent medium 7 can be glass, or crystal, or liquid.
Described graticle 8 is provided with p-wire, for reading or compare the refractive index of transparent medium.
This utility model is in use, the light beam that lighting source 1 sends, after the gathering of condenser lens, illuminate transmissive slit 3, light by transmissive slit 3, part enters collimator 5 after spectroscope 4 transmission, directional light from collimator 5 front end outgoing, by detection bearing 6 and transparent medium 7, the light that detection bearing 6 reflects is again by detection bearing 6 and measured workpiece 7, enter collimator 5, again after spectroscope 4 light splitting, the image formation by rays of reflection is on graticle 8, the most imaged system of imaging 9 on graticle 8 is imaged on ccd video camera 10, show finally by display 11.
This utility model is simple to operate, and test result reads convenient, can be effectively improved measuring accuracy and testing efficiency, it is possible to meet the requirement of on-the-spot real-time online detection.
Described above is only preferred embodiment of the present utility model; above-mentioned specific embodiment is not to restriction of the present utility model; retouching, amendment or the equivalent that all those of ordinary skill in the art are made as described above, belongs to protection domain of the present utility model.
Claims (6)
- null1. a refractive index of transparent medium detection device，It is characterized in that: include lighting source、Condenser lens、Transmissive slit、Spectroscope、Collimator、Detection bearing、Graticle、Imaging mechanism、Ccd video camera and the display being connected with described ccd video camera，Transparent medium is placed in described detection bearing，The light beam that described lighting source sends passes sequentially through described condenser lens、Described collimator is entered after described transmissive slit and described spectroscope，The directional light of described collimator front end injection is by described detection bearing and described transparent medium，Light beam after described detection bearing reflects is again introduced into described collimator，The light beam that described collimator receives is by imaging on described graticle after described spectroscope light splitting，Imaging on described graticle by described imaging mechanism secondary imaging on described ccd video camera，The image that described ccd video camera receives is shown in real time by described display.
- Refractive index of transparent medium the most according to claim 1 detection device, it is characterised in that: described lighting source uses sodium vapor lamp, or hydrogen lamp, or helium lamp, or cadmium lamp.
- Refractive index of transparent medium the most according to claim 1 detection device, it is characterised in that: described transmissive slit uses overall blacking and center to offer the glass plate of cross light penetrating slit or foil is made.
- Refractive index of transparent medium the most according to claim 1 detection device, it is characterised in that: described spectroscope uses to be equipped with quarter wave plate and be coated with the PBS prism of polarizing coating and makes.
- Refractive index of transparent medium the most according to claim 1 detection device, it is characterised in that: described detection bearing uses the prism of Intermediate Gray V-groove structure to make, and described prism one side is coated with reflective membrane.
- Refractive index of transparent medium the most according to claim 1 detection device, it is characterised in that: described graticle is provided with p-wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416508.4U CN205607856U (en) | 2016-05-10 | 2016-05-10 | Transparent medium refracting index detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416508.4U CN205607856U (en) | 2016-05-10 | 2016-05-10 | Transparent medium refracting index detection device |
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| CN205607856U true CN205607856U (en) | 2016-09-28 |
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| CN201620416508.4U Active CN205607856U (en) | 2016-05-10 | 2016-05-10 | Transparent medium refracting index detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505287A (en) * | 2017-09-21 | 2017-12-22 | 北京领航力嘉机电有限公司 | A kind of measuring refractive indexes of liquid system based on image recognition technology |
-
2016
- 2016-05-10 CN CN201620416508.4U patent/CN205607856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505287A (en) * | 2017-09-21 | 2017-12-22 | 北京领航力嘉机电有限公司 | A kind of measuring refractive indexes of liquid system based on image recognition technology |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190723 Address after: 473000 No. 366 Xinchen West Road, Nanyang High-tech Zone, Henan Province Patentee after: Nanyang Lida Photoelectric Co., Ltd. Address before: 473000 Nanyang Industrial Road, Henan, No. 508 Patentee before: Lida Optical and Electronic Co., Ltd. |
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| TR01 | Transfer of patent right |